c# where
int[] numbers = { 0, 30, 20, 15, 90, 85, 40, 75 };
IEnumerable<int> query =
numbers.Where((number, index) => number = index * 10);
foreach (int number in query)
{
Console.WriteLine(number);
}
/*
This code produces the following output:
0
20
15
40
*/